Can a menu/toolbar item's text-title be a string variable?

[Gintaras]

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str s=
;%s :out 1
;%s :out 2

int i
for i 0 10
,str m.format("Macro%i" i)
,str ss.format(s m "x")
,DynamicToolbar ss "temp_tb55"
,0.5